Chevron has unloaded Venezuelan crude oil at U.S. ports under its existing Treasury licence, according to a Bloomberg report on Monday, even as U.S. enforcement actions disrupt other Venezuelan export routes and tighten pressure on unauthorised shipments. Bloomberg did not disclose the number of cargoes involved or the timing of the deliveries. The arrivals come as Washington steps up interdictions targeting Venezuelan oil flows outside approved channels, drawing a clear distinction between Chevron’s licensed operations and exports handled…